de facto
noun/ˌdeɪ ˈfæktəʊ/
/ˌdeɪ ˈfæktəʊ/
(plural de factos)
(Australian English, New Zealand English)- a person who lives with somebody as their husband or wife, although they are not officially married
- We've invited James and his de facto to our wedding.
Word OriginLatin, literally ‘of fact’.
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de facto